Home / 775,738.62-1,163,238.08-270,237.42

Finding the Fourth Proportional to 775,738.62, 1,163,238.08 and 270,237.42

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Solution

The fourth proportional to 775,738.62, 1,163,238.08 and 270,237.42 is: 405,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,738.62 : 1,163,238.08 = 270,237.42 : x
  2. Step 2: Convert to fraction form
    775,738.62/1,163,238.08 = 270,237.42/x
  3. Step 3: Cross multiply
    775,738.62x = 1,163,238.08 × 270,237.42
  4. Step 4: Simplify right side
    775,738.62x = 314,350,457,584.95
  5. Step 5: Solve for x
    x = 314,350,457,584.95/775,738.62
  6. Step 6: Final answer
    x = 405,227.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.